52
INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
2.3 CONTROL PANEL
38
Key (Fig. 38):
1
- Button to reduce the domestic hot water temperature
2
- Button to increase the domestic hot water temperature
3
- Reset Button
4
- Summer/Winter Button
5
- Key to increase the system water temperature
6
- Key to reduce the system water temperature
7
- Information buttons
8
- Off/Stand-by/On Button
9
- DHW Mode in progress (flashing) / Summer mode (steady
on)
10
- Blocked boiler, it needs to be unblocked by pressing the “RE-
SET” button
11
- Temperature indicator, boiler info and error codes
12 - Room C.H. mode operation in progress (flashing) / Winter
mode (steady on)
13
- Boiler in Stand-by mode
14
- Presence of external connected devices
15
- Flame presence symbol
16
- Solar function active
17
- Operation with external temperature probe active (optional)
18
- Boiler manometer
2.4 USING THE APPLIANCE
Boiler activation
Before ignition make sure the heating system is filled with water and that the pressure gauge (18) indicates a pressure of 1 ÷ 1.2
bar.
– Open the gas cock upstream from the boiler.
– If the boiler is “off”, press the button until the display switches on. At this point, the boiler goes to the state previous to switch-off.
– If the boiler is on “Stand-by”, press again to enable it, otherwise go to the next point.
– Then press the
button and set the boiler in the summer
or winter
+
mode.
Summer
In this mode the boiler functions only to produce the DHW, the temperature is set via the buttons
and the relative temperature is
shown on the display via the indicator
.